$80 · WANTED: Used/New Crisper Sliding Rails for older model refrigerator

I have a old GE Profile refrigerator with broken sliding rails on the LH and RH sides. In fact, they only broke at the front screws very recently. The company cannot find parts within their inventory, but have given me the parts numbers: WR72X231 and ...230. If you have such parts or know where I might look for them, perhaps where recycled fridges are taken, please let me know.